All programs in Groton, CT

Stonington Institute

618 Poquonnock Road, Groton, CT 06340

Clinical specializations

  • PHP
  • IOP
  • Medication Management
  • Addiction Treatment
  • Dual Diagnosis
  • Trauma Specialist
  • Veterans Program
  • Pregnancy & Postpartum Support
  • Spanish Speaking

Financial accessibility

  • Insurance Accepted
  • Self-Pay Options

Programs offered

  • IOP
  • PHP
  • outpatient
  • psychiatry / medication management

Accreditation & licensing

Accreditations & designations

  • The Joint Commission

Licensed as

  • State substance use agency
  • State mental health department
  • State department of health

As reported to SAMHSA by the facility. Confirm current standing with the accrediting body before making a decision.

Languages

  • Spanish
  • American Sign Language

Frequently asked questions about Stonington Institute

Does Stonington Institute accept insurance?+

Stonington Institute reports accepting Medicaid, Private insurance, State-financed insurance, and Self-pay, though this has not been independently verified — contact the facility directly to confirm your specific plan is covered.

What levels of care does Stonington Institute offer?+

Stonington Institute offers Outpatient, Intensive outpatient (IOP), Partial hospitalization (PHP), Outpatient MAT, IOP, PHP, outpatient, and psychiatry / medication management.

What age groups does Stonington Institute serve?+

Stonington Institute serves adults.

What conditions or specialties does Stonington Institute treat?+

Stonington Institute lists the following areas of focus: trauma, dual diagnosis, veterans, HIV/AIDS, sexual abuse survivors, criminal justice involved, pregnant/postpartum, chronic pain and substance use, active duty military, and military families.

Is Stonington Institute accredited or licensed?+

Stonington Institute holds The Joint Commission and is licensed as State substance use agency, State mental health department, and State department of health, as reported to SAMHSA. Confirm current standing with the accrediting body before making a decision.

What languages does Stonington Institute support?+

Stonington Institute reports support for Spanish and American Sign Language.

Is Stonington Institute currently accepting new patients?+

Stonington Institute is currently accepting new patient inquiries.

Listing data sourced from the SAMHSA 2025 National Directory and reviewed before publication. Listing last updated August 2026. How our data works · Report an error